diff --git a/configure.ac b/configure.ac
index 875b54e4f..c7dc0e67a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,8 +2,8 @@ dnl require autoconf 2.60 (AS_ECHO/AS_ECHO_N)
 AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 3)
 define(_CLIENT_VERSION_MINOR, 3)
-define(_CLIENT_VERSION_REVISION, 8)
-define(_CLIENT_VERSION_BUILD, 5)
+define(_CLIENT_VERSION_REVISION, 9)
+define(_CLIENT_VERSION_BUILD, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2020)
 AC_INIT([TWINS Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[win.win],[twins])